201916640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40709}}^1$

素因数の和:40755

約数の個数: 48

約数和(自身を含む): 492428160

約数和(自身を除く): 290511520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 40709, 81418, 162836, 203545, 325672, 407090, 651344, 814180, 1261979, 1302688, 1628360, 2523958, 3256720, 5047916, 6309895, 6513440, 10095832, 12619790, 20191664, 25239580, 40383328, 50479160, 100958320, 201916640]

約数ペア:

[(1, 201916640), (2, 100958320), (4, 50479160), (5, 40383328), (8, 25239580), (10, 20191664), (16, 12619790), (20, 10095832), (31, 6513440), (32, 6309895), (40, 5047916), (62, 3256720), (80, 2523958), (124, 1628360), (155, 1302688), (160, 1261979), (248, 814180), (310, 651344), (496, 407090), (620, 325672), (992, 203545), (1240, 162836), (2480, 81418), (4960, 40709)]